Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1984-03-27
1985-08-20
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
G01R 3100
Patent
active
045367051
ABSTRACT:
A portable, battery-powered combination probe search test light, test lead, and continuity tester provides a selection of modes of use for illuminated and non-illuminated search and continuity indication, in a simple circuit; according to needs indicated by push-button switches, continuity of a circuit to be tested may be indicated by illumination; in a further mode continuity is indicated by illumination of a dimmer light; these modes provide for testing the lights individually; two flexible leads with clips and a novel housing-mounted pivotal probe in selective combination provide contacts for the versatile modes of testing and for charging the battery either, with or without, illumination indicating charging.
REFERENCES:
patent: 1528709 (1925-03-01), Trimble
patent: 2324661 (1943-07-01), Woodington
patent: 3973193 (1976-08-01), Hayes
Krawczewicz Stanley T.
McClellan, Sr. John F.
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